News
- Humans
Sweeps weak in human evolution
Contrary to conventional wisdom, the rapid spread of beneficial mutations has been relatively rare in the evolutionary history of Homo sapiens, a new study shows.
- Life
Packing away the poison
A genetic adaptation in a Hudson River fish species allows it to simply store toxic pollutants in its fat.
- Life
Hibernation mystery
Somehow overwintering bears slow their metabolic rates far more than their slightly decreased body temperatures would predict.
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- Health & Medicine
Saving preemies’ vision
A drug designed to fight cancer also may thwart aberrant blood vessel growth in the eyes of babies born preterm, a study finds.
